“如果火星上有足够的生命形成地层，珊瑚或某种微生物，并且被掩埋，那么，发生在地球上的物理现象或许也发生在火星上”，他说。
"If there was enough life to make layers, to make corals or some sort of microbial homes, and if it was buried on Mars, the same physics that took place on Earth could have happened there," he said.
“这是第一个洞察肢体再生过程中发生什么的真正分子。”加利福尼亚拉荷亚索尔克生物研究院的首席研究员史考特·斯图尔特博士说。
"This is the first real molecular insight into what is happening during limb regeneration," said lead researcher Dr Scott Stewart, from the Salk Institute in la Jolla, California.
比如说当身体受到压力，这在生物学过程的末端，极易发生，当身体受压时，身体就会放出一定的内啡肽。
So, for example, when the body is in stress, as would likely happen toward the end of the biological processes, when the body is in stress, certain endorphins get released by the body.
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